:root {
  --primary: #811B83;
  --primary-light: #a64d9c;
  --text: #2b2b2b;
  --muted: #666;
  --bg: #f4f7fc;
  --card: #fff;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root { --text: #eaeaea; --muted: #aaa; --bg: #121212; --card: #1e1e1e; --primary: #c77dc9; }
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
header { background: linear-gradient(135deg, #811B83, #a64d9c); color: #fff; text-align: center; padding: 40px 16px; }
header h1 { font-size: 1.8rem; }
main { max-width: 760px; margin: 24px 16px; padding: 24px 20px; background: var(--card); border-radius: var(--radius); }
@media (min-width: 800px) { main { margin: 24px auto; } }
h2 { color: var(--primary); font-size: 1.2rem; margin: 20px 0 8px; }
p, li { margin-bottom: 8px; }
ul, ol { padding-left: 22px; }
a { color: var(--primary); }
.btn { display: inline-block; padding: 12px 22px; border-radius: 999px; background: #811B83; color: #fff; text-decoration: none; font-weight: 600; margin: 6px 4px; }
.btn.secondary { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.center { text-align: center; }
.logo { max-width: 60%; height: auto; }
.muted { color: var(--muted); font-size: .9rem; }
footer { text-align: center; padding: 24px 16px; font-size: .85rem; color: var(--muted); }